From f68b57c0bd3863d9057508929354ec34a3fd6205 Mon Sep 17 00:00:00 2001
From: trav90 <travawine@palemoon.org>
Date: Sat, 1 Dec 2018 09:35:02 -0600
Subject: Remove DirectShowReader Part 1: Conditional code

---
 dom/media/DecoderTraits.cpp       | 40 +--------------------------------------
 dom/media/ThreadPoolCOMListener.h |  4 ++--
 2 files changed, 3 insertions(+), 41 deletions(-)

(limited to 'dom/media')

diff --git a/dom/media/DecoderTraits.cpp b/dom/media/DecoderTraits.cpp
index 56ebd9ce9..473ca9533 100644
--- a/dom/media/DecoderTraits.cpp
+++ b/dom/media/DecoderTraits.cpp
@@ -23,10 +23,6 @@
 #include "AndroidMediaReader.h"
 #include "AndroidMediaPluginHost.h"
 #endif
-#ifdef MOZ_DIRECTSHOW
-#include "DirectShowDecoder.h"
-#include "DirectShowReader.h"
-#endif
 #ifdef MOZ_FMP4
 #include "MP4Decoder.h"
 #include "MP4Demuxer.h"
@@ -125,14 +121,6 @@ IsAndroidMediaType(const nsACString& aType)
 }
 #endif
 
-#ifdef MOZ_DIRECTSHOW
-static bool
-IsDirectShowSupportedType(const nsACString& aType)
-{
-  return DirectShowDecoder::GetSupportedCodecs(aType, nullptr);
-}
-#endif
-
 #ifdef MOZ_FMP4
 static bool
 IsMP4SupportedType(const MediaContentType& aParsedType,
@@ -247,9 +235,6 @@ CanHandleCodecsType(const MediaContentType& aType,
   if (IsFlacSupportedType(aType.GetMIMEType(), aType.GetCodecs())) {
     return CANPLAY_YES;
   }
-#ifdef MOZ_DIRECTSHOW
-  DirectShowDecoder::GetSupportedCodecs(aType.GetMIMEType(), &codecList);
-#endif
 #ifdef MOZ_ANDROID_OMX
   if (MediaDecoder::IsAndroidMediaPluginEnabled()) {
     EnsureAndroidMediaPluginHost()->FindDecoder(aType.GetMIMEType(), &codecList);
@@ -320,11 +305,6 @@ CanHandleMediaType(const MediaContentType& aType,
   if (IsFlacSupportedType(aType.GetMIMEType())) {
     return CANPLAY_MAYBE;
   }
-#ifdef MOZ_DIRECTSHOW
-  if (DirectShowDecoder::GetSupportedCodecs(aType.GetMIMEType(), nullptr)) {
-    return CANPLAY_MAYBE;
-  }
-#endif
 #ifdef MOZ_ANDROID_OMX
   if (MediaDecoder::IsAndroidMediaPluginEnabled() &&
       EnsureAndroidMediaPluginHost()->FindDecoder(aType.GetMIMEType(), nullptr)) {
@@ -424,15 +404,6 @@ InstantiateDecoder(const nsACString& aType,
     return decoder.forget();
   }
 
-#ifdef MOZ_DIRECTSHOW
-  // Note: DirectShow should come before WMF, so that we prefer DirectShow's
-  // MP3 support over WMF's.
-  if (IsDirectShowSupportedType(aType)) {
-    decoder = new DirectShowDecoder(aOwner);
-    return decoder.forget();
-  }
-#endif
-
   return nullptr;
 }
 
@@ -484,13 +455,7 @@ MediaDecoderReader* DecoderTraits::CreateReader(const nsACString& aType, Abstrac
   if (IsWebMSupportedType(aType)) {
     decoderReader =
       new MediaFormatReader(aDecoder, new WebMDemuxer(aDecoder->GetResource()));
-  } else
-#ifdef MOZ_DIRECTSHOW
-  if (IsDirectShowSupportedType(aType)) {
-    decoderReader = new DirectShowReader(aDecoder);
-  } else
-#endif
-  if (false) {} // dummy if to take care of the dangling else
+  }
 
   return decoderReader;
 }
@@ -518,9 +483,6 @@ bool DecoderTraits::IsSupportedInVideoDocument(const nsACString& aType)
     IsMP3SupportedType(aType) ||
     IsAACSupportedType(aType) ||
     IsFlacSupportedType(aType) ||
-#ifdef MOZ_DIRECTSHOW
-    IsDirectShowSupportedType(aType) ||
-#endif
     false;
 }
 
diff --git a/dom/media/ThreadPoolCOMListener.h b/dom/media/ThreadPoolCOMListener.h
index 881013a78..424ca65d2 100644
--- a/dom/media/ThreadPoolCOMListener.h
+++ b/dom/media/ThreadPoolCOMListener.h
@@ -13,8 +13,8 @@
 namespace mozilla {
 
 // Thread pool listener which ensures that MSCOM is initialized and
-// deinitialized on the thread pool thread. We may call into WMF or
-// DirectShow on this thread, so we need MSCOM working.
+// deinitialized on the thread pool thread. We may call into WMF on
+// this thread, so we need MSCOM working.
 class MSCOMInitThreadPoolListener final : public nsIThreadPoolListener {
   ~MSCOMInitThreadPoolListener() {}
   public:
-- 
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